Decimal ASCII Converter
The Decimal ASCII Converter turns characters into their decimal code points (72 101 108 …) and rebuilds text from decimal code lists.
- No length limits
- No registration
- Free forever
- Your text never leaves your browser
How to convert characters to their decimal code points
Choose the mode
Pick “convert characters to their decimal code points” or the reverse mode from the options — both run in the same box.
Paste your input
The result appears immediately, before you even finish pasting.
Copy the result
One click puts the output on your clipboard.
Use it
ASCII tables, char-code exercises and teleprinter-style puzzles
Why use this decimal ascii converter?
Typical uses: • Teaching ASCII with real conversions • Debugging character codes from sensors or logs • Classic 72-101-108-108-111 puzzles
Because the conversion is deterministic and local, results are identical every time and nothing leaks to third parties.
Both directions live on one page, so you never have to bookmark two tools for one job.
Decimal ASCII Converter — details
| Directions | Convert characters to their decimal code points and rebuild text from decimal codes |
|---|---|
| Processing | 100% in your browser — offline after load |
| Length limit | None |
| Price | Free, no account needed |
Your text never leaves your browser
Every tool runs locally on your device. Nothing you paste is uploaded, stored, or tracked.
Frequently asked questions
Can it rebuild text from decimal codes too?
Yes — switch the mode option and the same box converts in the other direction.
Is there a size limit?
No hard limit. Very long inputs simply take a few more milliseconds.
Does it work offline?
Yes. Once the page has loaded, the conversion runs without any connection.